noun🔗SharePenicilliumAny of the blue-green fungi, of the genus Penicillium, that are used in the manufacture of cheeses, and are an important source of antibiotics."The blue veins in Roquefort cheese are caused by a type of mold called Penicillium. "Las vetas azules del queso Roquefort son causadas por un tipo de moho llamado Penicillium.organismmicroorganismbiologymedicinesciencefoodchemistryChat with AIVocabulary GamePractice Reading